Seagate ST12450W, Product Manual

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ST12450W/WD Product Manual, Rev. A 69
Index
A
AC power requirements 27
accessories
adaptor accessory frame kit 67
Barracuda 2, 2HP Installation Guide 65
acoustics 32
actuator assembly 6
adapter accessory frame kit 8
adaptive read lookahead 16
air cleanliness requirements 32
air flow 22
altitude, effective limits 30
ambient temperature range 30
ANSI, documents 3
asynchronous
data transfer protocol 7
SCSI bus conditions supported 51
automatic shipping lock 6, 7
automatic thermal compensation 7, 11
autowrite and read reallocation 7
B
bits per inch, number of 11
bytes
per sector, allowable range 7
per surface, number of 11
per track, number of 11
C
cable requirements 53
cache control 15
caching write data 17
capacities
formatted 8
modifying 8
unformatted 8
conducted noise immunity 28
connector parts, DC power connection 52
contact assignments (P cable)
differential 61
single-ended 60
cooling. mechanical 34
current requirements 27
D
data block size, modifying the 8
data buffer 7
data buffer to/from disc media (512-byte sector)
data transfer rate (
<
1 track) 14
data transfer rate (
≤
sector) 14
data heads, number of 11
data zone 6
DC cable and connector 52
DC power requirements 27
defect and error management 37
defects and errors
ETF defect list 37
primary defect list 37
Delay Motor Start option 41
diameter, media (disc) 35
differential drivers/receivers 56
terminating 56
differential I/O, cable requirements 54
digital offset values 19
dimensions, J5 physical interface 43
disc rotation speed 11
disconnect/reconnect 5
drive failure, defined 22
drive orientation 34
drivers and receivers 42
E
effective altitude (sea level) 30
electromagnetic compatibility 32
electromagnetic interference (EMI) 21
EMC/regulatory requirements, meeting 3
Enable Drive Terminator 41
Enable Motor Start option 41
environmental interference 21
environmental limits
effective altitude 30
shock and vibration 31
temperature 30
error correction code 7
error rates 21
F
fans, positioning for cooling 22
features, listed 7
firmware 7